[2sin130°+sin100°(1+sqr3*tan370°)]/sqr(1+cos10°)=[2sin50°+sin80°(1+√3*tan10°)]/√(1+cos10°)=[2sin50°+cos10°(1+√3*(sin10°/cos10°))]/√(1+cos10°)=[2sin50°+(cos10°+√3*sin10°)]/√(1+cos...